Climate -- Not Humans -- Killed off Mammoths, Research Suggests
May 11, 2006 12:00 AM - Reuters
Climate shifts were probably responsible for the extinction of the mammoth and other species more than 10,000 years ago, not over-hunting by humans, according to new research published on Wednesday.
Dolphins, Like Humans, Recognize Names
May 9, 2006 12:00 AM - Deborah Zabarenko, Reuters
Bottlenose dolphins can call each other by name when they whistle, making them the only animals besides humans known to recognize such identity information, scientists reported Monday.
Biologist Aims to Demystify Wolf and Moose
May 8, 2006 12:00 AM - John Flesher, Associated Press
Rolf Peterson has chronicled with endless fascination the not-so-peaceful coexistence between wolves and moose on Isle Royale, a wilderness national park in Lake Superior whose isolation provides a rare setting for predator and prey to interact with minimal human contact.
Scientists Probe Atlantic, Find New Species of Life
May 5, 2006 12:00 AM - Alister Doyle, Reuters
Scientists have found about 10-20 new species of tiny creatures in the depths of the Atlantic in a survey that will gauge whether global warming may harm life in the oceans, an international report said on Thursday.
Zanzibar Dolphin Deaths Puzzle Scientists
May 4, 2006 12:00 AM - Ali Sultan, Associated Press
Preliminary investigations have failed to yield an explanation of why hundreds of dolphins left their deep offshore habitat, got stranded in shallow waters and later washed up dead on Zanzibar's northern coast, a scientist said.
Global Warming Weakens Vast Pacific Climate System
May 4, 2006 12:00 AM - Deborah Zabarenko, Reuters
Climate scientists identified a likely new victim of global warming Wednesday: the vast looping system of air currents that fuels Pacific trade winds and climate from South America to Indonesia.
Ozone Layer Shows Signs of Recovery, Scientists Claim
May 4, 2006 12:00 AM - Patricia Reaney, Reuters
The ozone layer is showing signs of recovering, thanks to a drop in ozone-depleting chemicals, but it is unlikely to stabilise at pre-1980 levels, researchers said on Wednesday.
Global Warming Differences Resolved with Corrections in Readings
May 3, 2006 12:00 AM - Randolph E. Schmid, Associated Press
A nagging difference in temperature readings that had raised questions about global warming has been resolved, a panel of scientists reported Tuesday.
Scientists Vote to Track Down Jaguar
May 2, 2006 12:00 AM - Associated Press
A team of government scientists has voted to capture one of a handful of jaguars known to live in the United States, drawing protests from environmental groups.
Greenhouse Gases Showed Steady Rise in 2005
May 2, 2006 12:00 AM - Deborah Zabarenko, Reuters
Carbon dioxide, emitted by coal-burning power plants and cars, increased last year, according to NOAA's Annual Greenhouse Gas Index, or AGGI. So did nitrous oxide, a byproduct of farming and industry.